204041051523 has 12 divisors (see below), whose sum is σ = 294731336848. Its totient is φ = 136024887600.

The previous prime is 204041051521. The next prime is 204041051527. The reversal of 204041051523 is 325150140402.

204041051523 is a `hidden beast` number, since 2 + 0 + 404 + 105 + 152 + 3 = 666.

It is not a de Polignac number, because 204041051523 - 2¹ = 204041051521 is a prime.

It is a super-2 number, since 2×204041051523² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204041051521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411786 + ... + 760032.

Almost surely, 2^204041051523 is an apocalyptic number.

204041051523 is a deficient number, since it is larger than the sum of its proper divisors (90690285325).

204041051523 is a wasteful number, since it uses less digits than its factorization.

204041051523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413354 (or 413351 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 204041051523 its reverse (325150140402), we get a palindrome (529191191925).

The spelling of 204041051523 in words is "two hundred four billion, forty-one million, fifty-one thousand, five hundred twenty-three".